diff --git a/ansys/api/additive/VERSION b/ansys/api/additive/VERSION
index 8428158..867e524 100644
--- a/ansys/api/additive/VERSION
+++ b/ansys/api/additive/VERSION
@@ -1 +1 @@
-1.1.2
\ No newline at end of file
+1.2.0
\ No newline at end of file
diff --git a/ansys/api/additive/v0/additive_domain.proto b/ansys/api/additive/v0/additive_domain.proto
index 2c15bc4..b957eeb 100644
--- a/ansys/api/additive/v0/additive_domain.proto
+++ b/ansys/api/additive/v0/additive_domain.proto
@@ -133,17 +133,10 @@ message StlFile {
 
 message SingleBeadInput {
     double bead_length = 2;
-    BeadType bead_type = 3;
     MachineSettings machine = 10;
     AdditiveMaterial material = 11;
 }
 
-enum BeadType {
-    BEAD_TYPE_UNSPECIFIED = 0;
-    BEAD_TYPE_BEAD_ON_POWDER_LAYER = 1;
-    BEAD_TYPE_BEAD_ON_BASE_PLATE = 2;
-}
-
 message PorosityInput {
     double size_x = 2;
     double size_y = 3;
diff --git a/setup.py b/setup.py
index 13ec299..1957d82 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@
         url=f"https://github.com/ansys/{package_name}",
         license="MIT",
         python_requires=">=3.7",
-        install_requires=["grpcio~=1.47", "protobuf~=3.20"],
+        install_requires=["grpcio~=1.47", "protobuf~=3.19"],
         packages=setuptools.find_namespace_packages(".", include=("ansys.*",)),
         package_data={
             "": ["*.proto", "*.pyi", "py.typed", "VERSION"],